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GIT-ARC(1) General Commands Manual GIT-ARC(1) NAME git arc -- a wrapper to improve integration between git and arcanist SYNOPSIS git arc create [-l] [-r reviewer1[,reviewer2 ...]] [-s subscriber1[,subscriber2 ...]] [-p parent] commit-ref [commit-ref ...] git arc list commit-ref [commit-ref ...] git arc patch [-bcrs] diff1 [diff2 [...]] git arc stage [-b branch] commit-ref [commit-ref ...] git arc update [-l] [-m message] commit-ref [commit-ref ...] DESCRIPTION The git arc utility creates and manages FreeBSD Phabricator reviews based on git commits. It is geared towards FreeBSD development. It requires the devel/git, devel/arcanist-lib and textproc/jq packages; these will be in- stalled automatically if git arc is installed via the devel/freebsd-git-arc package. git arc assumes a one-to-one relationship between git commits and Differen- tial Revisions, and requires the titles in a pair to match. Commit titles must therefore be unique across all open Differential Revisions authored by the submitter. If the title of either a commit or its associated Differen- tial Revision is changed, the other must be updated manually to maintain the match. The first parameter must be a verb. Most verbs accept one or more git com- mit references: commit hashes, branch names, commit ranges, and so on. A branch name refers to the single commit at its tip; use a commit range to operate on multiple commits. See git-rev-parse(1) for details on specify- ing commit references. The available verbs are: create Create new Differential Revisions from the specified commits. Ac- cepts options: -l Before processing commit(s) display list of commits to be processed and wait for confirmation. -r reviewer Add one or more reviewers, separated by commas, to revision(s) being created. Each argument must be an existing Phabricator user or group. Note that group reviewers must be specified using their hashtag (e.g. #jails for the "Jails" group). -s subscriber Add one or more subscribers, separated by commas, to revision(s) being created. Each argument must be an existing Phabricator user or group. -p parent Specify the parent of the first commit in the list. This is useful when adding more commits on top of an already existing stack in Phabricator. list Print the associated Differential Revisions for the specified com- mits. patch Try to apply patches from one or more Differential Revision to the currently checked out tree. The following options are accepted: -b Switch to a new branch before applying the patches. -c Commit each applied patch to the git checkout. The commit mes- sage and author are taken from the Differential Revision. -r Rather than using the arc command to apply the patch, download the raw patch file and apply it using git-apply(1). This is useful for avoiding some misfeatures of arc, particularly its behavior of trying to update all remotes in the tree in some cases. -s Recursively apply the parent revisions of the specified commit. This can be used to apply patch stacks by specifying the top- most, i.e., most recent commit in the stack. stage Prepare a series of commits to be pushed to the upstream FreeBSD repository. First, the target branch is checked out; by default this is the main branch but can be overridden with the -b option. Then, the specified commits are cherry-picked with review tags added to the commit log message, and the log message is opened in an editor for any final updates. The commits need not have associated Differen- tial Revisions. This is intended to be used after code review has been completed, and the commits are ready to be pushed to an upstream repository. update Synchronize the Differential Revisions associated with the speci- fied commits. Currently only the diff is updated; the review de- scription and other metadata are not synchronized. If a message is specified with -m, that message is added as a note to the Differen- tial Revision. If no message is supplied, the user's editor will be opened to provide an update message for each revision. If an empty message is supplied via -m, then no notes will be added when updating Differential Revisions. If -l is used, display list of commits to be updated and wait for confirmation of the list rather than prompting for each commit. CONFIGURATION These are manipulated by git-config: arc.assume_yes Assume a "yes" answer to all prompts instead of prompting the user. Equivalent to the -y flag. Defaults to false. arc.browse Try to open newly created reviews in a browser tab. De- faults to false. arc.list Always use "list mode" (-l) with create and update. In this mode, the list of git revisions to use is listed with a single prompt before creating or updating reviews. The diffs for individual commits are not shown. Defaults to false. arc.verbose Always use verbose output. Equivalent to the -v flag. De- faults to false. EXAMPLES The typical end-to-end usage looks something like this. Commit changes with a message and create a Differential Review: $ git commit -m "kern: Rewrite in Rust" $ git arc create HEAD Make changes to the diff based on review feedback, then amend the changes to the existing commit and update the Differential Review: $ git commit --amend $ git arc update HEAD Now that all reviewers are happy, it is time to stage the commit and push it: $ git arc stage HEAD $ git push freebsd HEAD:main Create a Phabricator review using the contents of the most recent commit in your git checkout: $ git arc create -r markj,#jails HEAD The commit title is used as the review title, the commit log message is used as the review description, and <markj@FreeBSD.org> is added as a re- viewer. Also, the "Jails" reviewer group is added using its hashtag. Create a series of Phabricator reviews for each of HEAD~2, HEAD~ and HEAD: $ git arc create HEAD~3..HEAD Pairs of consecutive commits are linked into a patch stack. Note that the first commit in the specified range is excluded. Create a series of separate reviews for each of the following commits: $ git arc create b409afcfedcdda ca03ed1345aff0 Update the review corresponding to commit b409afcfedcdda: $ git arc update b409afcfedcdda The title of the commit must be the same as it was when the review was cre- ated. Note that the review description is not automatically updated. Apply the patch in review D12345 to the currently checked-out tree, and stage it: $ git arc patch D12345 Apply the patch in review D23456 to the currently checked-out tree, and commit it to the tree with the commit message in the review and make the best guess for what to use for author. If the guess is considered unreli- able, the user is prompted to see if they wish to use it (or abort). $ git arc patch -c D23456 List the status of reviews for all the commits in the branch "feature": $ git arc list main..feature Update reviews for all commits in the branch "feature" after rebasing: $ git arc update -lm "Rebase" main..feature SEE ALSO build(7), development(7) HISTORY The git arc utility appeared in the src tools collection in FreeBSD 14.0. AUTHORS The git arc utility was written by Mark Johnston <markj@FreeBSD.org> and the manual page was written by Daniel Ebdrup Jensen <debdrup@FreeBSD.org>. FreeBSD ports 15.quarterly February 10, 2026 GIT-ARC(1)
NAME | SYNOPSIS | DESCRIPTION | CONFIGURATION | EXAMPLES | SEE ALSO | HISTORY | AUTHORS
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